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Plimerite

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About PlimeriteHide

05141380014947390397605.jpg
Ian Plimer
Formula:
ZnFe3+4(PO4)3(OH)5
Colour:
Pale-green to dark-olive-green, almost black
Lustre:
Vitreous
Hardness:
3½ - 4
Specific Gravity:
3.67
Crystal System:
Orthorhombic
Name:
Named for Professor Ian Plimer, Professor of Mining Geology, The University of Adelaide and Emeritus Professor of Earth Sciences at The University of Melbourne, in recognition of his contributions to the geology of ore deposits, and in particular the geology of the Broken Hill deposit.
Isostructural with:
Rockbridgeite Group.

The Zn-analogue of rockbridgeite and frondelite.



Classification of PlimeriteHide

Approved
Approval Year:
2008
First Published:
2009
8.BC.10

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
C : With only medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
41.9.2.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)5(XO4)3Zq

Physical Properties of PlimeriteHide

Vitreous
Transparency:
Translucent
Colour:
Pale-green to dark-olive-green, almost black
Streak:
Pale-greyish-green
Hardness:
3½ - 4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Very Good
excellent cleavage parallel to {100} and {010} and distinct cleavage parallel to {001}
Fracture:
Irregular/Uneven
Density:
3.67(5) g/cm3 (Measured)    3.62 g/cm3 (Calculated)

Optical Data of PlimeriteHide

Type:
Biaxial (-)
RI values:
nα = 1.756(5) nβ = 1.764(4) nγ = 1.767(4)
2V:
Calculated: 63°
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Visible
Comments:
X = pale-greenish-brown, Y = pale-brown, Z = pale-bluish-green
Comments:
Absorption Z > X > Y; optical orientation XYZ = cab

Chemical Properties of PlimeriteHide

Formula:
ZnFe3+4(PO4)3(OH)5

Crystallography of PlimeriteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 13.865(3) Å, b = 16.798(3) Å, c = 5.151(1) Å
Ratio:
a:b:c = 0.825 : 1 : 0.307
Unit Cell V:
1187 ų
Z:
4
Morphology:
Elongated along [001] and the principal form observed is {100} with minor {010}and {001}
Twinning:
none observed
Comment:
SG Bbmm (non-standard setting of Cmcm)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.638 Å(50)
3.388 Å(50)
3.369 Å(55)
3.168 Å(100)
2.753 Å(60)
2.575 Å(90)
2.414 Å(75)
2.400 Å(50)

Type Occurrence of PlimeriteHide

General Appearance of Type Material:
Acicular and bladed crystals up to 0.5 mm long and as hemispherical aggregates of radiating acicular crystals up to 3 mm
Place of Conservation of Type Material:
Department of Mineralogy of the South Australian Museum, Adelaide, South Australia (Registration numberG32005).
Associated Minerals at Type Locality:
Reference:
Elliot, P., Kolitsch, U., Giester, G., Libowitzky, E., McCammon, C., Pring, A., Birch, W.D., Brugger, J. (2009) Description and crystal structure of a new mineral - plimerite, ZnFe3+4(PO4)3(OH)5 - the Zn-analogue of rockbridgeite and frondelite, from Broken Hill, New South Wales, Australia. Mineralogical Magazine: 73: 131-148.

Synonyms of PlimeriteHide

Relationship of Plimerite to other SpeciesHide

Other Members of this group:
Ferrirockbridgeite(Fe3+0.670.33)2(Fe3+)3(PO4)3(OH)4(H2O)Orth. mmm (2/m 2/m 2/m)
Ferrorockbridgeite(Fe2+,Mn2+)2(Fe3+)3(PO4)3(OH)4(H2O)Orth. mmm (2/m 2/m 2/m)
FrondeliteMn2+Fe3+4(PO4)3(OH)5Orth. 2 2 2 : C2 2 21
RockbridgeiteFe2+Fe3+4(PO4)3(OH)5Orth. mmm (2/m 2/m 2/m)

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Plimerite associated with BerauniteFe2+Fe3+5(PO4)4(OH)5 · 6H2O
1 photo of Plimerite associated with IsokiteCaMg(PO4)F
1 photo of Plimerite associated with KrásnoiteCa3Al7.7Si3P4O23.5(OH)12.1F2 · 8H2O
1 photo of Plimerite associated with ChalcosideriteCuFe3+6(PO4)4(OH)8 · 4H2O
1 photo of Plimerite associated with QuartzSiO2
1 photo of Plimerite associated with NatrodufréniteNaFe2+Fe3+5(PO4)4(OH)6 · 2H2O

Related Minerals - Nickel-Strunz GroupingHide

8.BC.05AngelelliteFe3+4(AsO4)2O3Tric. 1 : P1
8.BC.10FrondeliteMn2+Fe3+4(PO4)3(OH)5Orth. 2 2 2 : C2 2 21
8.BC.10RockbridgeiteFe2+Fe3+4(PO4)3(OH)5Orth. mmm (2/m 2/m 2/m)
8.BC.15AerugiteNi8.5(AsO4)2As5+O8Mon. 2/m : B2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

41.9.2.1RockbridgeiteFe2+Fe3+4(PO4)3(OH)5Orth. mmm (2/m 2/m 2/m)
41.9.2.2FrondeliteMn2+Fe3+4(PO4)3(OH)5Orth. 2 2 2 : C2 2 21

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for PlimeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Fisher, D.J. (1958) Pegmatite phosphates and their problems. American Mineralogist: 43: 181-207.
Elliot, P., Kolitsch, U., Giester, G., Libowitzky, E., McCammon, C., Pring, A., Birch, W.D., Brugger, J. (2009) Description and crystal structure of a new mineral - plimerite, ZnFe3+4(PO4)3(OH)5 - the Zn-analogue of rockbridgeite and frondelite, from Broken Hill, New South Wales, Australia. Mineralogical Magazine: 73: 131-148.
Piilonen, P.C., Poirier, G. (2010) New mineral names. American Mineralogist: 95: 204-208.
Sejkora, J., Plášil, J., Filip, J. (2011) Plimerite from Krásno near Horní Slavkov ore district, Czech Republic. Journal of Geosciences: 56: 215-229.
Grey, I.E., Kampf, A.R., Keck, E., Cashion, J.D., MacRae, C.M., Gozukara, Y., Peterson, V.K., Shanks, F.L. (2019) The rockbridgeite group approved and a new member, ferrorockbridgeite, (Fe2+,Mn2+)2(Fe3+)3(PO4)3(OH)4(H2O), described from the Hagendorf Süd pegmatite, Oberpfalz, Bavaria. European Journal of Mineralogy: 31: 389-397.

Internet Links for PlimeriteHide

Localities for PlimeriteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia (TL)
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
Elliott, P., Kolitsch, U., Giester, G., Libowitzky, E., McCammon, C., Pring, A., Birch, W.D. (2009) Description and crystal structure of a new mineral – plimerite, ZnFe3+4(PO4)3(OH)5 – the Zn-analogue of rockbridgeite and frondelite, from Broken Hill, New South Wales, Australia. Mineralogical Magazine: 73: 131-148.
  • South Australia
    • Flinders Ranges
      • South Flinders Ranges
        • Martins Well
Elliot, P., Kolitsch, U., Giester, G., Libowitzky, E., McCammon, C., Pring, A., Birch, W.D., Brugger, J. (2009) Description and crystal structure of a new mineral - plimerite, ZnFe3+4(PO4)3(OH)5 - the Zn-analogue of rockbridgeite and frondelite, from Broken Hill, New South Wales, Australia. Mineralogical Magazine: 73: 131-148.
Czech Republic
 
  • Karlovy Vary Region
    • Sokolov District
      • Krásno
Sejkora, J., Škoda, R., Ondruš, P. (2006): New naturally occurring mineral phases from the Krásno - Horní Slavkov area, western Bohemia, Czech Republic. Journal of the Czech Geological Society, 51, 159-187; ´Sejkora, J., Plášil, J., Filip, J. (2011): Plimerite from Krásno near Horní Slavkov ore district, Czech Republic. Journal of Geosciences, 56, 215-229.
France
 
  • Occitanie
    • Pyrénées-Orientales
Berbain,C., Riley, T., Favreau, G., (2012): Phosphates des pegmatites du massif des Albères (Pyrénées-Orientales). Le Cahier des Micromonteurs. 117, 121-172
        • Argelès-sur-Mer
Berbain, C., Riley, T., Favreau, G. (2012) Phosphates des pegmatites du massif des Albères. Ed Association française de Microminéralogie.
Norway
 
  • Akershus
    • Nittedal
Larsen, K. E. (2019) Noen funn av mineraler i Norge 2018-2019. Norsk Mineralsymposium 2019: 141-149
Portugal
 
  • Coimbra
    • Góis
      • Cadafaz
Artur Neves collection. Pedro Alves analytical data.
  • Guarda
    • Gouveia
      • Folgosinho
Alves, P., Leal Gomes, C., Lopes Nunes, J.E (2012) : Produtos de evolução de triplite-zwieselite, fluorapatite e isokite da mina Sítio do Castelo (Folgosinho, Guarda). II Congresso Jovens Investigadores em Geociências, LEG 2012.
  • Viseu
    • São Pedro do Sul
      • Manhouce
Pedro Alves analytical data and collection.
Spain
 
  • Extremadura
    • Cáceres
      • Zarza la Mayor
Viñals, J. and Calvo, M. (2011). Secondary phosphates of La Paloma mine, Zarza la Mayor, Cáceres, Spain. Mineral Up 2 (5), 8-31.
 
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